The service allows you finding out who has called you, when the telephone line was busy, switched off or was outside the zone of coverage. By doing so, it ensures that an important call will not be missed.
Polycom HDX4500 is a universal personal telepresence system that allows you use the latest UltimateHD technology in your existing environment of unified communications. The HDX 4500 system is made in a new form-factor, equipped with 24-inch display, 1080p camera and powerful speakers; it easy transforms any desktop computer into a multimedia communications center.